Stringy Chow rings and weighted blow ups

Fuente: arXiv
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Autores principales: Kuang, Qiangru, Liu, Yeqin, Webb, Rachel, Xu, Weihong
Formato: Preprint
Publicado: 2025
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author Kuang, Qiangru
Liu, Yeqin
Webb, Rachel
Xu, Weihong
author_facet Kuang, Qiangru
Liu, Yeqin
Webb, Rachel
Xu, Weihong
contents We compute the stringy chow ring of a general Deligne-Mumford stack of the form [X/G] for a smooth variety X and diagonalizable group scheme G, working over a base field that is not necessarily algebraically closed. We then specialize to the stringy chow ring of the weighted blow up of a smooth variety along a smooth center. We explore finite generation properties of this ring.
format Preprint
id arxiv_https___arxiv_org_abs_2502_00259
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Stringy Chow rings and weighted blow ups
Kuang, Qiangru
Liu, Yeqin
Webb, Rachel
Xu, Weihong
Algebraic Geometry
We compute the stringy chow ring of a general Deligne-Mumford stack of the form [X/G] for a smooth variety X and diagonalizable group scheme G, working over a base field that is not necessarily algebraically closed. We then specialize to the stringy chow ring of the weighted blow up of a smooth variety along a smooth center. We explore finite generation properties of this ring.
title Stringy Chow rings and weighted blow ups
topic Algebraic Geometry
url https://arxiv.org/abs/2502.00259